Freeman Bibliographical Database
| Identifier: | F2957 |
| Date: | 1990 |
| Concise reference: | Darwin, C. R. c1990. The origin of species: by means of natural selection; The descent of man: and selection in relation to sex. Encyclopedia Britannica. |
| Identifier: | F2957 |
| Date: | 1990 |
| Concise reference: | Darwin, C. R. c1990. The origin of species: by means of natural selection; The descent of man: and selection in relation to sex. Encyclopedia Britannica. |